package cc.ycws.api.controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cc.ycws.api.utils.CoreService;
import cc.ycws.core.util.SignUtil;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
@RequestMapping("/ssm/weixingongzhonghaoCntroller")
public class WeixingongzhonghaoApi {

	    /**
	     * 确认请求来自微信服务器
	     */

		@RequestMapping(value="/doGet", method=RequestMethod.GET)
	    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	        // 微信加密签名
	        String signature = request.getParameter("signature");
	        // 时间戳
	        String timestamp = request.getParameter("timestamp");
	        // 随机数
	        String nonce = request.getParameter("nonce");
	        // 随机字符串
	        String echostr = request.getParameter("echostr");

	        PrintWriter out = response.getWriter();
	        // 通过检验signature对请求进行校验，若校验成功则原样返回echostr，表示接入成功，否则接入失败
	        if (SignUtil.checkSignature(signature, timestamp, nonce)) {
	            out.print(echostr);
	        }
	        out.close();
	        out = null;
	    }

	    /**
	     * 处理微信服务器发来的消息
	     */

		@RequestMapping(value="/doGet",method=RequestMethod.POST)
	    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	        // 将请求、响应的编码均设置为UTF-8（防止中文乱码）
	        request.setCharacterEncoding("UTF-8");
	        response.setCharacterEncoding("UTF-8");

	        // 调用核心业务类接收消息、处理消息
	        String respMessage = CoreService.processRequest(request);

	        // 响应消息
	        PrintWriter out = response.getWriter();
	        out.print(respMessage);
	        out.close();
	    }

}
